Development of High School Biology Students Worksheets Based on Critical Thinking Skills on the Concept of the Digestive System

Abstract

One of the problems of life that are happening right now is the problem in education. Three skills need to be improved including 1) the field of cognitive skills, 2) interpersonal skills, and 3) intrapersonal skills. The purpose of this study is to improve the Student Worksheet (LKPD) so that it has effective criteria. The use of LKPD in the learning process is expected to improve students' critical thinking skills. The research method used is the Tessmer design using a small group test. Critical thinking skills refer to Facione 1990 while the structure of LKPD development refers to Daryanto & Dwicahyono. The small group test subjects were six high school class XI students. This research is development research using Tessmer design. The study was conducted for one semester, namely in the 2019-2020 school year. The results showed that the effectiveness of LKPD based on the assessment of students' critical thinking skills in working on LKPD had a category of at least good, interpersonal skills had a very good category, and intrapersonal skills had a very good category.